NEW YORK (TheStreet) -- Which insiders are selling and buying chunks of stocks?

Below are lists of the top 10 open-market insider purchases and sales filed at the Securities and Exchange Commission Thursday as ranked by dollar value. Company executives and directors are in the best position to assess the attractiveness of their firms' shares, and here is how many of them are voting their wallets! Please note, however, that these are factual lists, not buy and sell recommendations. Dollar value is only one metric to assess the importance of an insider transaction.

Jazz Pharmaceuticals (JAZZ) Enright Patrick G DIR 150,000 $1,082,315
Steak & Shake (SNS) Mustang Capital Management LLC BO 50,000 $521,465
Soapstone Networks (SOAP) Firefly Value Partners LP BO 371,163 $178,024
Harman International (HAR) Einsmann Harald DIR 3,600 $100,366
Siga Technologies (SIGA) Slovin Bruce DIR 10,000 $65,488
Community Bank System (CBU) Dicerbo Nicholas A DIR 3,000 $51,580
Hercules Technology Gr Cap (HTGC) Woodward Allyn C Jr DIR 4,300 $39,517
Amarillo Biosciences (AMAR) Coy Gary Wayne CFO,VP 408,486 $35,458
Vse (VSEC) Dacus Thomas G VP 950 $32,167
Digital Angel (DIGA) Grillo Joseph J CEO,PR,
25,000 $28,600
Moodys Corp (MCO) Berkshire Hathaway Inc BO 794,388 $21,626,719
J Crew Group (JCG) Drexler Millard S CEO,DIR,
500,000 $16,220,907
Fossil (FOSL) Kartsotis Tom CB,DIR,
358,562 $9,244,400
Gartner (IT) Silver Lake Partners LP BO 216,033 $3,587,145
Microsoft (MSFT) Turner Brian Kevin COO 87,728 $2,103,204
Interline Brandsde (IBI) Jacquet Ernest K DIR 103,185 $1,656,219
Medassets (MDAS) Bardis John A CB,CEO,
70,000 $1,552,838
Prudential Financial (PRU) Grier Mark B VCB,DIR 32,000 $1,538,560
Markel (MKL) Markel Steven A VCB,DIR 3,700 $1,197,721
Rovi (ROVI) Amoroso Alfred J CEO,PR,
39,500 $1,162,880

Under no circumstances does the information in this column represent a recommendation to buy or sell stocks. While he cannot provide investment advice or recommendations, Moreland appreciates your feedback; click here to send him an email.